n | a(n) |
---|---|
1 | 0 |
2 | 12 |
3 | 648 |
4 | 6084 |
5 | 30444 |
6 | 107376 |
7 | 302916 |
8 | 732024 |
9 | 1576728 |
10 | 3111012 |
11 | 5724852 |
12 | 9952620 |
13 | 16509336 |
14 | 26321160 |
15 | 40567872 |
16 | 60724104 |
17 | 88605480 |
18 | 126413772 |
19 | 176788476 |
20 | 242874756 |
21 | 328359624 |
22 | 437553360 |
[0,12,648,6084,30444,107376,302916,732024,1576728, 3111012,5724852,9952620,16509336,26321160, 40567872,60724104,88605480,126413772,176788476, 242874756,328359624,437553360] |